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Private Radio System for Hangzhou Metro Line 6 and Hangzhou-Fuyang Intercity Railway
Background
The main line of Phase I project of Hangzhou Metro Line 6 is about 26.955 km long, all of which are underground lines with 19 stations. The parallel transfer on same platform between Station of Traditional Chinese Medicine University and Line 4, the cross transfer between Changhe Road Station and Line 5, the cross transfer between Jiangling Road Station and Line 1, the “L”-shaped transfer between Olympic Sports Station and Line 7 in cross shape, the “L”-shaped transfer between Qianjiang Century City Station and Line 2 are realized. The main line of Phase II project of Hangzhou Metro Line 6 is about 8.366 km in length, all of which are underground lines with 5 stations. The T-shaped parallel transfer between Sanbao Station and Line 9, and the transfer between East Railway Station and Line 1 and 4 are realized. The Hangzhou-Fuyang Intercity Railway (Hangzhou-Fuyang Line) has a total length of 23.508 km, all of which are underground lines. Eleven new stations are built along the line, all of which are underground stations. Hangzhou-Fuyang Line and Line 6 run through each other to form a long main line. Shuangpu Section of Line 6 and the long main line form a "Y"-shaped operation. The transfer between line 12 that is formed after the dismantlement of Long-term Line 6, Shuangpu District, and the long main line is realized at Xiangshan Station of the Academy of Fine Arts. Hangzhou Metro Line 6 and Hangzhou-Fuyang Line need to build a set of 800M band private radio system, and the wireless signal covers the traffic area, platform, depot and other areas, realizes the dispatcher's wireless dispatching command of vehicles and personnel, and guarantees normal operation and emergency communication.


Solution


The private radio system of Hangzhou Metro Line 6 (including Hangzhou-Fuyang Line) uses 800M eTRA digital trunked equipment developed by Eastcom and conforms to TETRA standard. The solution consists of 1+1 disaster recovery backup telecommunication exchange center, authentication center, TETRA intelligent Internet gateway, base station, repeater, vehicle-carried radio, fixed radio, handsets and dispatching/network management equipment customized for users. At the same time, Eastcom uses the patent technology - TETRA Intelligent Internet Gateway to solve the interconnection problem between the TETRA system of Eastcom and MOTOROLA TETRA system of other existing Hangzhou Metro lines, and realize the interconnection of dispatching services between Hangzhou Metro Line 6 (including Hangzhou-Fuyang Line) and existing lines of Hangzhou Metro and the roaming of end users. This solution not only implements basic line dispatching functions, but also realizes interconnection and docking with other subsystems such as signal system, clock system, broadcasting system and so on to ensure the normal operation of Hangzhou Metro Line 6 (including Hangzhou-Fuyang Line) and the emergency response of the Metro Company.


Customer Value

The 800M TETRA radio system independently developed by Eastcom provides reliable means of communication for voice and data exchange between fixed users (control center, depot/parking dispatcher, station watchman, etc.) and mobile users (train drivers, disaster recovery personnel, maintenance personnel) operating on Hangzhou Metro Line 6 (including Hangzhou-Fuyang Line). It provides an important guarantee for driving safety, improving transportation efficiency and management level, and improving service quality. At the same time, when abnormal conditions occur in rail transit operation and cable communication failures occur, emergency radio communication means for command such as disaster recovery and rescue and accident handling can also be provided quickly. It breaks the monopoly of the original foreign manufacturers on this product, and realizes the interconnection and unified dispatching operation with the trunked dispatching communication system of former manufacturers.
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